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Map / Core AI / Foundation Models / Grok / Grok

Grok

by xAI · part of Grok · Text

xAI's flagship chat and reasoning model line, numbered by generation from Grok 1 (2023) to Grok 4.7, served in the Grok apps, X and the xAI API.

Latest version

Grok 4.721 Sep 2026 · 37 days ago

Versions

11since Grok 1 in November 2023

Typical gap

64 daysmedian between versions, last 12 months

All versions

VersionReleasedAfter previousStatusComes asSource
Grok 4.721 Sep 202640 daysLatestGrok 4.7 Fastx.ai
Grok 4.612 Aug 202627 daysGrok 4.6 Fastx.ai
Grok 4.516 Jul 202677 daysx.ai
Grok 4.330 Apr 202651 daysdocs.x.ai
Grok 4.2010 Mar 2026113 daysGrok 4.20 Multi-Agentdocs.x.ai
Grok 4.117 Nov 2025131 daysGrok 4.1 Fastx.ai
Grok 49 Jul 202591 daysRetiredGrok 4 HeavyGrok 4 Fastx.ai
Grok 39 Apr 2025118 daysRetiredGrok 3 Minidocs.x.ai
Grok 2Grok-212 Dec 2024259 daysGrok 2 miniGrok 2 Visionx.ai
Grok 1.5Grok-1.528 Mar 2024146 daysx.ai
Grok 1Grok-13 Nov 2023First314Bx.ai

Dates from xAI's own announcements; each row links to its source.

The Grok family

2023202420252026TodayGrokGrok 1 (Grok-1), 3 Nov 20231Grok 1.5 (Grok-1.5), 28 Mar 20241.5Grok 2 (Grok-2), 12 Dec 20242Grok 3, 9 Apr 20253Grok 4, 9 Jul 20254Grok 4.1, 17 Nov 20254.1Grok 4.20, 10 Mar 2026Grok 4.3, 30 Apr 20264.3Grok 4.5, 16 Jul 20264.5Grok 4.6, 12 Aug 2026Grok 4.7, 21 Sep 20264.7CodeGrok Code Fast 1, 28 Aug 2025Code Fast 1

VersionPreviewLatest version

Questions

What is the latest version of Grok?

Grok 4.7, released on 21 Sep 2026.

When was Grok 4.6 released?

Grok 4.6 came out on 12 Aug 2026.

When was Grok 4.5 released?

Grok 4.5 came out on 16 Jul 2026.

When was Grok 4.3 released?

Grok 4.3 came out on 30 Apr 2026.

How often is there a new Grok?

Over the last 12 months a new version came about every 64 days (the median gap). 11 versions have come out since Grok 1 in November 2023.